Jack-go-to-bed-at-noon (Tragopogon pratensis)

Jack-go-to-bed-at-noon

Tragopogon pratensis

Its golden blooms close at midday, a quiet clock in meadows. Biennial wildflower; common names: meadow salsify, goat's beard.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; blooms open fully in direct morning sun and close by midday
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Watering Water deeply when top 2–3 cm of soil is dry; tolerates short periods of drought
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Temperature Hardy to -15°C; prefers cool to temperate growing conditions, avoid prolonged heat above 28°C
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Characteristics

  • Leaf: Long, linear, grass-like leaves with pointed tips, clasping the stem at the base
  • Flower: Bright yellow daisy-like composite heads, closing by midday on sunny days
  • Stem: Smooth, hollow, upright stems with minimal branching
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Care Guide

Watering

Water regularly during active growth to support flower development

Fertilization

Light, balanced diluted feed once monthly. Avoid high-nitrogen fertilizers that promote foliage over flowering

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Deadhead spent blooms to prevent unwanted self-seeding if desired
  • Cut back flowering stems to ground level after blooms fade in late summer
  • Remove damaged or yellowing leaves from basal rosettes in early spring to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No documented toxicity to humans; young roots are edible when cooked

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental wildflower; young taproots are edible when cooked, with a flavor similar to oysters